AT&T APN Settings – ATT APN Setup Guide for Android, iOS & Windows Devices

If you use AT&T carrier service, then AT&T APN settings are the only solution to fix cellular internet issues on all your devices, such as Android, iOS, Mac or Windows.

Sometimes, it might be possible that your device doesn’t support AT&T carrier network settings. Therefore, we recommend you always check carrier support requirement before purchasing a device.

Now, without wasting your time, let’s quickly move on to APN settings for AT&T devices. To provide you the best solutions, we tested att apn settings on different Android / iOS / Windows devices.

What are AT&T APN Settings for Android – 4G/LTE?

The following AT&T APN settings are for Android-LTE devices. Before applying these settings, check your Android device whether it supports AT&T carrier service or not. Once you have done that, here are the steps to setup APN settings on different Android-LTE devices:

Steps

First, launch your Android device and go to Settings > Wireless Connections > More > Mobile Network > APN (Access Point Names) and fill the following table accordingly.

ATT APN Settings for Android – 3G

If your Android device doesn’t support 4G-LTE network or your Android device failed to work with AT&T APN settings for 4G-LTE, then 3G APN settings might work for you.

There is a difference between APN settings for AT&T 4G-LTE and 3G on Android devices except for the initial steps.

Steps

Open your Android device and go to Settings > Wireless Connections > More > Mobile Network > APN (Access Point Names) and fill the following instructions in the table accordingly.

What are APN Settings for AT&T Galaxy s5?

By following the AT&T mentioned above APN setting for Android-LTE, you can resolve cellular internet issue on your Samsung Galaxy s5.

In case the methods mentioned above failed to resolve AT&T cellular network issue, reset your Galaxy s5 and check whether it works or not.

You can also watch the following video to setup AT&T APN settings on your Samsung Galaxy s5 for both 3G and 4G-LTE internet connection:

AT&T APN Settings for iPhone/iPad/iWatch

Usually iOS devices don’t need a manual setup to connect to AT&T cellular internet services if you purchased a compatible data plan and sim.

However, in case your iOS device is unable to connect to AT&T cellular internet service, follow these steps to resolve the issue:

Steps

1. Open your iOS device and go to Settings > General > Mobile Data/Cellular Data > Mobile Data Options > Mobile Data Network.
2. Now fill the following instructions accordingly and check whether you AT&T internet start working or not.

If you are having difficulty in following the above mentioned instructions, then you can watch the following video to configure AT&T APN settings on your iOS device:

APN Settings for AT&T Windows Phone

Windows phones are programmed to run AT&T APN settings automatically. However, it is mandatory to choose a compatible data plan for your Windows phone. Although, if your Windows phone still unable to connect to AT&T cellular internet, follow these steps to resolve this issue.

Steps

1. First Launch your Windows phone Settings > Cellular > Sim Settings.
2. Now manually sets the APN settings according to the following table and check whether your AT&T internet starts working or not on your Windows phone.

AT&T APN Settings for Straight Talk

Straight Talk is MVNO (Mobile Virtual Network Operator) carrier service, which means it doesn’t operate from their wireless network. It buys the right to use AT&T and other carrier service provider towers.

The reason why people use Straight Talk carrier service is that it offers monthly prepaid packages as compared to other carrier service provider that offers only long-term packages.

Usually, Straight Talk APN settings run automatically on your iOS and Android device. However, if your device is unable to connect cellular network, you can resolve it by following these instructions.